Answer:
3x=36-6x
or, 3x+6x=36
0r,9x=36
or,x=36/9
or,x=4
Step-by-step explanation:
if you are satisfied then you can give brainliest
fred = 45 books
sally has 27 times more book than fred
sally = 45 X 27
= 1215 books
2x + 7= 4x + 17
7=2x+17
-10=2x
-10/2=2x/2
x=−5